import std.stdio; void main() {
auto x = 9223372036854775807L; auto x2 = 9223372036854775807L + 1; long x3 = -9223372036854775808U;//auto x4 = -9223372036854775808L; //Error: signed integer overflow
writeln(x + 1); //-9223372036854775808 writeln(x2); //-9223372036854775808 writeln(x3); //-9223372036854775808 //writeln(x4); }